Finding the Fourth Proportional to 11,109.95, 15,331.89 and 7,526.00

Step by Step Solution

1. Step 1: Write the proportion equation
   11,109.95 : 15,331.89 = 7,526.00 : x
2. Step 2: Convert to fraction form
   11,109.95/15,331.89 = 7,526.00/x
3. Step 3: Cross multiply
   11,109.95x = 15,331.89 × 7,526.00
4. Step 4: Simplify right side
   11,109.95x = 115,387,770.86
5. Step 5: Solve for x
   x = 115,387,770.86/11,109.95
6. Step 6: Final answer
   x = 10,385.99